In the forests of New Guinea, lizards scurry around with green bones, green hearts, green tongues, and green blood. At least six species share this enigmatic trait, which didn’t originate from one bizarre mutation but evolved four different times, according to new research in Science Advances. These lizards have green…

It turns out human bones, especially thigh bones, were prized by New Guinean warriors as materials which could be carved into exceptionally strong, fierce daggers. Until the 20th century, males in New Guinea often used bones, particularly femur bones acquired from large birds, to carve out sharp tools which served…